28509439 is an odd 8-digits composite number following 28509438
and preceding 28509440 . In scientific notation, it is written as 2.8509439 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 24412416 positive integers (up to 28509439) that are relatively prime to 28509439.
28509439 has 8 divisors, whose sum is 32614560
The reverse of 28509439 is 93490582
Previous prime number is 1913
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million five hundred nine thousand four hundred thirty-nine
Scientific notation
2.8509439 × 10^7
Engineering notation
2.8509439 × 10^6
Prime Factorization
7 × 1913 × 2129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28509439
Product of the distinct prime numbers
The prime factorization of 28509439 is 7 × 1913 × 2129.
Since it has a total of 3 prime factors.
9 , 3 , 61 , 81 , 248 , 988 , 8904 , 6104 , 90538 , 64981 , 501940 , 659658 , 2784063 , 3163724 , 90022429 , 37919120 , 196886357 , 570934116 , 6139227916 , 2470669885
n×2
57018878
n×3
85528317
n×4
114037756
n×5
142547195
n÷2
14254719.5
n÷3
9503146.3333333
n÷3
7127359.75
n÷5
5701887.8
n2
812788112094721
n3
2.317213310169E+22
n4
6.606245151625E+29
n5
1.883403431693E+37
2 √n
5339.4230961781
3 √n
305.48945509125
4 √n
73.07135619501
5 √n
30.974031400956
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28509438
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28509439 can be divided by 8 positive divisors.
The sum of these divisors (counting 28509439) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100110000010011111111
3
Ternary
1222122102121011
4
Quaternary
1230300103333
5
Quinary
24244300224
6
Senary
2455020051
8
Octal
154602377
10
Decimal
28509439
12
Duodecimal
966a627
16
Hexadecimal
1b304ff
20
Vigesimal
8i3dbj
36
Base36
gz20v
md5
a5cbb6929f37ec426c5d2a194f802bc3
sha1
fb0fdb6fe796e267594676e3a71c6b60148af164
sha256
a60fc567c50bd413475faa8effcd7be967f75a8c0cb3c905a16dec2a822f3100
sha512
2ed5661c92b85ac209c59f7706e40a5968c31aa78774a71f3ca441f837993254735ba21029ec8800390201d4377f31d3d419f57eb55fdcc3fb214d30e8e9d427
ripemd-160
1c3c62e835a97b4582b11c68608c9af2079cb588
Diameter
57018878
Circumference
179130088.24073
Area
2.5534491618819E+15
Volume
9.7063204160364E+22
Surface area
1.0213796647528E+16
Circumference
179130088.24073
Perimeter
114037756
Area
812788112094721
Diagonal
40318435.289448
Surface area
4876728672568326
Volume
2.317213310169E+22
Space diagonal
49379796.843286
Perimeter
85528317
Area
3.5194757648401E+14
Altitude
24689898.421643
Surface area
3.5194757648401E+14
Volume
2.730862075127E+21
Height
13439478.429816